来自刘明伟的问题
证明不等式:(1/n)^n+(2/n)^n+(3/n)^n+.+(n/n)^n
证明不等式:(1/n)^n+(2/n)^n+(3/n)^n+.+(n/n)^n
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2019-05-28 07:08
证明不等式:(1/n)^n+(2/n)^n+(3/n)^n+.+(n/n)^n
证明不等式:(1/n)^n+(2/n)^n+(3/n)^n+.+(n/n)^n
先证明对于任意x≠0,1+xf(0)=1>0,即1+x